Mineralogy Database

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442 samples matching your criteria

  • Sample n°3689 : geodes with tooth-shaped crystals in sandstone core
    Minerals: CALCITE
    Year: 1949
    Country: Congo (RDC)
  • Sample n°3714 : prismatic calcite crystals and pale blue plancheite geode in sandstone core
    Minerals: CALCITE PLANCHEITE
    Year: 1951
    Country: Congo (RDC)
  • Sample n°3983 : various copper minerals in debris of sandstone core
    Minerals: CALCITE DIOPTASE KATANGITE (plancheite)
    Year: 1953
    Country: Congo (RDC)
  • Sample n°4228 : crust of elongated orange-brown crystals, partly as radial aggregates (5 cm)
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°4310 : large metallic tabular crystals in vein quartz
    Minerals: HEMATITE QUARTZ
    Year: 1954
    Country: Congo (RDC)
  • Sample n°4315 : specular block
    Minerals: HEMATITE
    Year:
    Country: Congo (RDC)
  • Sample n°4819 : crystals in geode
    Minerals: GALENA QUARTZ
    Year:
    Country: Congo (RDC)
  • Sample n°4860.2 : green chrysocolla coating and calcite crystals in sandstone core sample
    Minerals: CHRYSOCOLLA CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5150 : geode with rhombohedral crystals in sandstone core sample
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
  • Sample n°5151 : rhombohedral crystals in geode in sandstone core sample
    Minerals: CALCITE
    Year:
    Country: Congo (RDC)
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